/*
 * Copyright 2019 The Closure Compiler Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

goog.module('jscomp.runtime_tests.polyfill_tests.string_trim_start_end');
goog.setTestOnly();

const testSuite = goog.require('goog.testing.testSuite');

testSuite({
  testTrimStart_noChange() {
    assertEquals('a', 'a'.trimStart());
    assertEquals('a', 'a'.trimLeft());
    assertEquals('ab', 'ab'.trimStart());
    assertEquals('ab', 'ab'.trimLeft());
    assertEquals('a b', 'a b'.trimStart());
    assertEquals('a b', 'a b'.trimLeft());
    assertEquals('-> ', '-> '.trimStart());
    assertEquals('-> ', '-> '.trimLeft());
    assertEquals('->\t', '->\t'.trimStart());
    assertEquals('->\t', '->\t'.trimLeft());
  },

  testTrimStart_change() {
    assertEquals('<-', ' <-'.trimStart());
    assertEquals('<-', ' <-'.trimLeft());
    assertEquals('<-', '\t<-'.trimStart());
    assertEquals('<-', '\t<-'.trimLeft());
    assertEquals('<-', '         <-'.trimStart());
    assertEquals('<-', '         <-'.trimLeft());
  },
});
